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All Journal JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Ecolab
E S Harsanti
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Agriculture, Biological Sciences & Forestry Environmental Science

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POTENSI PRODUKSI GAS METANA DARI TANAH SAWAH TADAH HUJAN DI DAERAH PANTAI UTARA BAGIAN TIMUR JAWA TENGAH A Wihardjaka; E S Harsanti
Jurnal Ecolab Vol 5, No 2 (2011): Jurnal Ecolab
Publisher : Pusat Standardisasi Instrumen Kualitas Lingkungan Hidup Laboratorium Lingkungan (P3KLL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jklh.2011.5.2.68-88

Abstract

Di ekosistem sawah tadah hujan, kondisi tanah selalu mengalami perubahan dari aerobik menjadi anaerobik secara silih berganti yang berpengaruh terhadap aktivitas metanogenesis dalam tanah. Kondisi tanah oksidatif menghambat pembentukan gas metana, sebaliknya kondisi tanah reduktif menguntungkan bakteri metanogen dalam pembentukan gas metana. Percobaan dilakukan di laboratorium dengan metode inkubasi untuk mengkaji potensi produksi gas metana dari tanah sawah tadah hujan. Potensi produksi gas metana pada tanah Grumusol, Mediteran, dan Nitosol lebih tinggi dibandingkan tanah Aluvial dan Planosol. Produksi gas metana rata-rata pada tanah Grumusol, Mediteran, Nitosol, Planosol, dan Aluvial masing-masing adalah 0,15 – 0,96; 0,08 – 0,75; 0,57; 0,12; dan 0,05 – 0,17 mg CH4/g tanah. Sifat-sifat tanah sawah tadah hujan yang berpengaruh nyata terhadap peningkatan produksi gas metana adalah pH, kandungan P2O5, K2O, dan SO4 2- dalam tanah, sedangkan kandungan Fe dalam tanah berkorelasi negatif dengan fluks CH4. Kandungan bahan organik dalam tanah cenderung meningkatkan produksi gas metana
PENGUJIAN BAKU MUTU LOGAM NIKEL PADA TEKSTUR TANAH YANG BERBEDA DENGAN INDIKATOR TANAMAN PADI Ina Zulaehah; S Sukarjo; E S Harsanti
Jurnal Tanah dan Sumberdaya Lahan Vol. 7 No. 2 (2020)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (520.616 KB) | DOI: 10.21776/ub.jtsl.2020.007.2.10

Abstract

Fertilizers and pesticides application in the agricultural sector provide a significant benefit in agricultural production. However, the use of fertilizers and pesticides continuously can be a harmful effect on the condition of the agricultural environment and the living things around it. Heavy metal pollution from the use of fertilizers and pesticides can cause health problems in humans, animals, and soil. Nickel is a dangerous heavy metal. The purpose of this study was to obtain the value of nickel-metal quality standards in two types of soil texture with rice as an indicator plant. This nickel quality standard testing activity was carried out in 2018 at the Indonesian Agricultural Environment Research Institute. Light textured soil was obtained from Bantul and heavy textured soil from Lamongan and Ngawi. Soil samples were tested for the adsorption of heavy metals using the Langmuir approach. A pot experiment was conducted at the screen house for heavy metals calibration in the soil. The results of the regression of the nickel content in the soil and rice can be seen as the quality standard value. Estimated quality standards in light-textured soils (Bantul) was 1.388 mg kg-1, heavy-textured soils (Lamongan and Ngawi) was 1.855 mg kg-1 and 1.697 mg kg-1, respectively. The value of nickel-metal quality standards in the clayey soils are higher than those in the light-textured soils
Co-Authors A Wihardjaka Ina Zulaehah S Sukarjo